Hey Jeffrey,
I am from Mount Vernon (Parents still live out in the Tulip Fields off of Memorial Hwy), but currently live in HI. I do specialize in VA loans, am licensed in WA, and would be happy to help you out at least with advice. Some facts/info you may already know but if not:
1) You assume the loan from the servicing bank, meaning you will work directly with the servicing bank.You assume the loan amount, but still need to come up with the difference of the VA loan amount and the sales price, in your case 172K.
2) No one will finance the entire remaining 172K amount. Some lenders will do a 2nd, up to 89.99% loan-to-value, which in your case would be about another 122K
3) You will still need to pay the remaining 10% as a down payment. How do you come up with this? A personal loan is possible, the problem is banks will see this and it will hit your DTI. Also, most banks will not allow you to "borrow" your down payment, so what you would need to do is get the 50K personal loan and then have it show on your bank statements for two months (without showing the money being deposited, so in reality this could be 3 statements before you have that. Do you have any relatives who could give a $50K gift? One thing to be careful with though is that if you go the personal loan route, you need to ensure your DTI is still fine and you will still qualify for your VA loan assumption AND the second mortgage. Does that make sense?
V/r,
Elias